/*
 * Copyright (c) 2013, SRI International
 * All rights reserved.
 * Licensed under the The BSD 3-Clause License;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 * 
 * http://opensource.org/licenses/BSD-3-Clause
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the aic-web-praise nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.sri.ai.lpitools.gwtgui.client.components.dialogs;

import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.CaptionPanel;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.DockLayoutPanel;
import com.google.gwt.user.client.ui.LayoutPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.sri.ai.lpitools.cobra.gwtutil.dataobjects.shared.ModelInfo;
import com.sri.ai.lpitools.gwtgui.client.components.manager.AICManager;
import com.sri.ai.lpitools.gwtgui.client.components.manager.UserManager;

public class SaveAsDialog extends CloseableDialogBox  {
	private UserManager userManager;
//	private ModelManager modelManager;
	private ModelInfo model;
	private String currentText;
	
	/**
	 * Method will perform the work of logging in the user
	 */
	public static void showLoginDialog(UserManager userManager, ModelInfo model, String currentText, String header) {
		
		
		DialogBox db = new SaveAsDialog(userManager, model, currentText, header);
		db.center();
		db.show();
	}
	public SaveAsDialog(UserManager userManager, ModelInfo model, String currentText, String header) {
		super();
		this.userManager = userManager;
		this.model = model;
		this.currentText = currentText;
		
		setModal(true);
		setGlassEnabled(true);
		setAnimationEnabled(true);
		setText(header);
		String modelTitle = "";

		String modelDescription = "";
		if(model != null){
			modelTitle = model.getModelTitle();
			modelDescription = model.getShortDescription();
		}		
		DockLayoutPanel dlp = new DockLayoutPanel(Unit.EM);
		
		CaptionPanel captionPanel = new CaptionPanel("Model Name");
		final TextBox modelTitleText = new TextBox();
		captionPanel.add(modelTitleText);
		if (!modelTitle.equalsIgnoreCase("")) {
			modelTitleText.setText(modelTitle);
			modelTitleText.setReadOnly(true);
		}
		CaptionPanel captionPanel2 = new CaptionPanel("Model Short Description");
		final TextBox modelDescriptionText = new TextBox();
		captionPanel2.add(modelDescriptionText);

		
		if (!modelDescription.equalsIgnoreCase("")) {
			modelDescriptionText.setText(modelDescription);
		}
		LayoutPanel buttonPanel = new LayoutPanel();
		Button save = new Button("Save");
		buttonPanel.add(save);
		buttonPanel.setWidgetLeftWidth(save, 10, Unit.PCT, 35, Unit.PCT);
		
		save.addClickHandler(new ClickHandler() {
			@Override
			public void onClick(ClickEvent event) {
				if(!modelDescriptionText.getText().equalsIgnoreCase("") && !modelTitleText.getText().equalsIgnoreCase("")){
					saveModel(modelDescriptionText.getText(), modelTitleText.getText());
				} else {
					MessageDialog.showMessageDialog("You need to enter a Model Title and a Model Short Description before you can save the model");
				}
			}
		});	
		dlp.addSouth(buttonPanel, 2);
		dlp.addSouth(captionPanel2, 4);
		dlp.add(captionPanel);
		dlp.setSize("200px", "10EM");
		modelTitleText.setWidth("164px");
		modelDescriptionText.setWidth("164px"); 
		add(dlp);
		
	}
	
	protected void saveModel(String modelDescription, String modelTitle) {
		if(model != null){
			model.setShortDescription(modelDescription);
			model.setModelTitle(modelTitle);
		}	
		else{
			model = new ModelInfo(userManager.getCurrentUser().getUser(), modelTitle, modelDescription, currentText);
			
		}
		AICManager.saveModelInfo(model, userManager);
		hide();
	}

}
